Mechanism for severing sheets from webs of paper or similar material.



No. 781,903. PATENTED FEB. 7, 1905. G. E. PANCOAST.

MEGHANISM IOR SEVERING SHEETS FROM WEBS OF PAPER OR SIMILAR MATERIAL.

INVENTOR -LQ AW@ .w Lr@ m ATTORNEY` N0. 781,903. Patented. February '7,1905.

UNITED STATES PATENT OEETCE. 1

GEORGE E. PANOOAST, OF BROOKLYN, NEV YORK, ASSIGNOR TO AMERlOANLITHOGRAPHIO OOMPA N Y, A OORPORATlON OF N EW YORK.

MECHANISM FOR SEVERING SHEETS FROM WEBS F PAPER 0R SIMILAR MATERIAL.

SPECIFICATION forming part of Letters Patent No. 781,903, dated February'7, 1905.

Application filed April 9, 1901. Serial No. 55.031.

T0 HW HI/OYH/ ff Vl'l1/fb!! (fflwe'nf a transverse section of the same`taken on the 50 Be it known that I, GEORGE E. PANooAs'r, a line 3 3, FigQ. Fig. et is a similar view taken citizen of the United States, and aresident on the line 4 4, Fig. 2; and Fig. 5 is a plan of the city ofBrooklyn, county of Kings, and view of the portion of the constructionat the 5 State of New York, haveinvented certain new left in Fig. 2.

and useful VImprovements in Mechanism for Like reference-nmnerals refertolike parts 55 4Severing Sheets from Webs of Paper or Simiwherever theyoccur throughout the drawings.

lar .\laterial, of which the followingis a speciln carryingl out myinvention l provide a lication. mechanism for cutting the webtransversely Io My invention relates to improvements in into separatesheets and a paper-carrier conmechanisms for severing sheets from websof structed to engage the web before it passes 6o paper or similarmaterial. the cutting mechanism and adapted to manip- More particularlymy invention relates to ulatc webs of different widths. According to amechanism which is adapted to be used in the preferred constructionthecuttingmechanconnection with web-printing presses forcutism comprisesa pair of cutters mounted in ting the printed web into sheets as itcomes cooperating' relation on rotary supports, and 65 from the pressand delivering the sheets in a the paper-carrier is adapted to engagethe VHat or unfolded condition in a uniform pile. opposite edge of thepaper and is so con- My invention has for an object to provide structedthat it may be adjusted to engage the 2O a delivery mechanism forweb-presses which opposite edges of paper of different widths will keepthe paper under positive control withoutadjustingthccuttingmechanism. 7ofrom the time it leaves the press until it is Referrmg now m detall tothe construction lnally deposited on the receiving-table and illustratedby way of example in the draw which at the same time will not mutilatethe ings, the numeral l represents one of a pair 5 paper or mar theimpression thereon. of side frames upon which the various parts Otherobjects of my invention are to provide of the mechanism are mounted. Asthe con- 75 a delivery mechanism which is simple in construction at theopposite sides of the machine struction and positive in operation andmay is or may be the same, one side only of the be operated at a highspeed and may be readmachine is shown and described herein. 3o ilyadjusted to manipulate webs of varying 2 and 3 represent a pair ofrotarysupports widths. suitably journaled in the Yframe l and driven 8oThese and other objects of my invention in unison by means of thegearsiand 5. The will more clearly appear from the following' supports 2and 3 are respectively provided description. with transversecutter-blades 6 and 7, which My invention consists in the novel parts,are preferably so mounted as to be capable of improvements,andcombinations herein shown a slight radial adjustment by any suitable 8 5and described. means, whereby they may be brought into ex- T heaccompanying drawings, which are react cooperating relation. `ferred toherein and form a part hereof, illus- The impor-carrier comprises a pairof end- 40 trate one form of my invention and serve, in less belts orchains, one of which is indicated connection with the descriptionherein, to eX- by the numeral 8. .lhese chains are mounted 9c plain theprinciples of my invention and the on sprocket-wheels carried by theshafts S) and best mode contemplated by me of applying 10, suitablyjournaled at opposite ends of the those principles. frame l. The shaft10 at the outer end of the Of the drawings, Figure l represents a frameis preferably made adjustable toward longitudinal central section of amechanism and from the shaft 9, as by means of a screw constructed inaccordance with my invention. ll, for the purpose of maintaining aproper Fig. Z is an elevation, partly in section on an tension upon thechains. A series of suitable enlarged scale, illustratingadetail. Fig. 3is gripping devices l2 are mounted upon the chains atintervalscorresponding to the length of the sheets to be severed from the web bythe cutting mechanism. Preferably andY as shown, these gripping devicesare such as are adapted to engage the opposite edges of the paper, andin order that they may be readily adjusted laterally with relation tothe paper the gripping devices are adjustably mounted upon transversebars 13, which are secured at their opposite ends to the chains. Asshown, the end of the bar 13 forms a pivot for a pair of links 14 of thechain and is rigidly secured, by means of the pins 15, to anoppositely-extending pair of links 16 of the chain. A friction roller orwheel 17 is loosely journaled on the end of the bar 13 between the links16 and is adapted to travel between a pair of oppositely-arranged guides13 and 19, which are arranged parallel with each stretch of the chainsto positively control the movement of the grippers. For the purpose ofpositively controlling the bar 13 the links 16 are extended somewhat andare provided at oppo-4 site sides with the friction-rollers 20, whichengage the guides 18 and 19 and, with the roller 17, prevent the bar 13from turning on its axis.

Each of the gripping devices comprises a body portion 20a, whichembraces a bar 13 and is adjustably secured thereon by suitableclamping-screws 21, a key 22 being provided to keep the gripper in itsproper angular position u-pon the bar. Each gripper is provided with afixed jaw 23 and a pivoted jaw 24. In order that the pivoted jaw mayengage the outer edge of the web, it is mounted on an axis which is atright angles to the bar 13 and parallel with the path of movement of theweb. The axis of the gripper 24 is formed by a stud-shaft 25, which isrigidly secured to the body portion 20n of the gripper and upon whichthe gripper 24 is loosely pivoted. The gripper is normally held in itsclosed position by means of a coil-spring 26, which is secured at oneend to the stud 25 and at the opposite end to the pivoted jaw 24. rIhejaw 24 is provided on the opposite side of its axis with an arm having afriction-roller 27, which is adapted to engage a suitable operating-cam.For the purpose of slightly opening the gripper to release the sheetmeans other than said arm is provided, the same consisting -in theconstruction shown of a pin or bolt 28, mounted in a suitable recess inthe body portion 2OEL directly above the pivoted jaw 24. This pin isnormally held out of engagement with the jaw by means of a spring 29,and it isv proting mechanism, so as to bring the grippers into the pathof the web in advance of the cutting mechanism, and the paper-carrier isdriven at the same speed as the cutting mechanism by means of anintermediate gear 31. A cam 32 for opening the grippers and allowingthem to close upon the edge of the web is adjustably mounted upontransverse bars 33 and 34, it being understood that one of these cams isprovided at each side of the machine. A cam 35 is provided at each sideof the opposite end of the machine for the purpose of opening thegrippers to release the sheets, said cams being adjustably mounted onthe transverse bar 36. As the sheets are released by the grippers theyfall by gravity on the inclined receiving-table 37 and slide toward thelower end thereof and are thus piled in a uniform pile thereon. Thetails of the sheets may be supported during their passage from thecutting mechanism to the receiving-table by any suitable means, as by aseries of starwheels 38. The mechanism may be driven from any suitablesource of power by means of a driving-gear 39.

It will be seen that the paper-carrier may be adjusted to manipulatewebs of different widths by simply adjusting the various grippingdevices on one or both sides of the machine laterally on the bars 13 andadjusting the opening and closing cams 32 and 35 to bring them intocooperative relation with the grippers and that this may be done withoutadjusting the cutting mechanism.

The web is led to the delivery mechanism from the printing-press or anyother desired source over a guide-roller 40, where it is seized by thefirst set of gripping devices on the paper-carrier. These grippingdevices will carry the web past the cutting mechanism, and before thelatter is brought into operation to sever the web another set ofgripping devices will seize the web and positively carry it forwardafter the portion carried by the first set of gripping devices has beensevered therefrom. The carrier may be made as long as desired, so as toretain the sheets in a separated and suspended condition fora length oftime sufficient to allow the ink to partially dry or set before thesheets are delivered upon the pile.

My invention in its broader aspects is not limited to the preciseconstruction shown nor to the precise construction by which it iscarried into effect, as many changes may be made therein withoutdeparting from the main principles of my invention and withoutsacrificing its chief advantages.

What I claim as new, and desire to secu re by Letters Patent, is-

1. In a mechanism for severing sheets from webs of paper or similarmaterial, the combination with mechanism for cutting a web transversely,of a paper-carrier constructed IOO IIO

to engage the web before it passes the cutting mechanism and adapted tomanipulate webs of different widths, substantially as described.

ln a mechanism for severing' sheets from webs of paper or similarmaterial, the combination with mechanism for cutting' a webtransversely, of a continuously-moving' papercarrier adapted to engag'ethe opposite edges of the paper before it passes the cuttingmechanism,and means whereby the paper-carrier may be so adjusted as to engage theopposite edges of paper of different widths, substantially as described.

In a mechanism for severing sheets from webs of paper or similarmaterial7 the combination with mechanism for cutting a web transversely,of a contin uously-moving papercarrier adapted to engage the oppositeedges of the paper before it passes the cutting mechanism, and meanswhereby the paper-carrier may be so adjusted as 4to engage the oppositeedges of paper of different widths said means being so constructed asnot to interfere with the cutting' mechanism, substantially asdescribed.

i. ln a mechanism for severingsheets from webs of paper or similarmaterial, the combination with mechanism for cutting a web transversely,of a paper-carrier for engaging the opposite edges of the web before itpasses the cutting mechanism, said paper-carrier being' so constructedthat it may be adjusted to engage the opposite edges of webs ofdiiferentwidths without adjusting the cutting mechanism, substantiallyas described.

ln a mechanism for severing sheets from webs of paper or similarmaterial, the combination with mechanism for cutting' a webtransversely, of a paper-carrier constructed to engage the web before itpasses the cutting mechanism, said carrier having laterally-adjustableweb-engaging members, substantially as described.

6. ln a delivery mechanism for web-printing presses, the combinationwith a pair of rotary cutters for severing the web transversely, of anendless flexible paper-carrier constructed to engage the opposite edgesof the paper, said carrier having laterally-adj ustable web-engagingmembers, substantially as described. l

T. ln a delivery mechanism for web-printing` presses, a paper-carriercomprising a pair of endless chains, a series of transverse bars mountedon said chains, and grippers adapted to engage the opposite edges of aweb, said grippers being adjustably mounted on said bars, substantiallyYas described.

ci. ln a delivery mechanism for web-printing presses, a paper-carriercomprising' a pair of endless chains, a series of transverse barsmounted on said chains, guides for positively controlling said bars andpreventing them from turning on their axes,and grippers adapted toengage the opposite edges of a web, said grippers being' adjustablymounted on said bars, substantially as described.

9. A gripper comprising' a body portion having a lixed jaw and aspring-pressed pivoted jaw, a plurality of independent contact devicescarried with said grippers for opening the spring-pressed jaw, andindependent means for operating said contact devices, substantially asdescribed.

l0. In combination, a gripper comprising a body portion having a lixedjaw and a spring'- pressed jaw, a cam and connections for opening thejaw to receive the paper, and a cam and independent connections foropening the jaw to deliver the paper, substantially as described.

1l. In combination, a traveling gripper comprising a fixed jaw and amovable jaw, means including a connection traveling with said gripperfor operating the jaw to receive the paper, and means including anotherconnection traveling with the gripper for operating the jaw to deliverthe paper.

l2. ln combination, a carrier, a gripper thereon comprising a lixed Ijawand a movable jaw, means arranged on one side of the path of movement ofthe carrier for operating the gripper to receive the sheet andindependent means arranged on the other side of the path of movement ofthe carrier for operating the gripper to deliver the sheet.

13. In combination, a carrier having' an orbital path of movement, atransverse member mounted on said carrier, a gripper mounted on saidtransverse member and adjustable longitudinally of the same, and meansfor operating' said gripper mounted independently of the carrier andadjustable in position to correspond with the position of the gripper.

le. In combination, a carrier comprising a pair of endless chains, atransverse bar mount ed on said chains, a gripper mounted on said barand adj ustable longitudinally thereof, and means for operating saidgripper mounted independently of said carrier and adjustable tocorrespond with the location of the gripper.

ln testimony whereof l have signed my name to this specification in thepresence of two subscribing witnesses.

GEORGE E. PANCOAST. lVitnesses:

Ronin-rr M. DoNALDsoN, (ino. H. BARN ns.

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